[ 27.581357][ T289] br1: port 1(veth1) entered blocking state
[ 27.581763][ T289] br1: port 1(veth1) entered disabled state
[ 27.582295][ T289] veth1: entered allmulticast mode
[ 27.584338][ T289] veth1: entered promiscuous mode
[ 27.716069][ T51] br1: port 1(veth1) entered blocking state
[ 27.716374][ T51] br1: port 1(veth1) entered forwarding state
[ 27.838120][ T291] br1: port 2(veth2) entered blocking state
[ 27.838634][ T291] br1: port 2(veth2) entered disabled state
[ 27.838874][ T291] veth2: entered allmulticast mode
[ 27.840704][ T291] veth2: entered promiscuous mode
[ 27.990055][ T49] br1: port 2(veth2) entered blocking state
[ 27.990374][ T49] br1: port 2(veth2) entered forwarding state
[ 42.805504][ C1]
[ 42.805605][ C1] ========================================================
[ 42.805816][ C1] WARNING: possible irq lock inversion dependency detected
[ 42.806019][ C1] 6.9.0-rc1-virtme #1 Not tainted
[ 42.806156][ C1] --------------------------------------------------------
[ 42.806358][ C1] swapper/1/0 just changed the state of lock:
[ 42.806536][ C1] ffff888007e42c38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 42.806865][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past:
[ 42.807069][ C1] (&p->alloc_lock){+.+.}-{2:2}
[ 42.807073][ C1]
[ 42.807073][ C1]
[ 42.807073][ C1] and interrupts could create inverse lock ordering between them.
[ 42.807073][ C1]
[ 42.807576][ C1]
[ 42.807576][ C1] other info that might help us debug this:
[ 42.807771][ C1] Chain exists of:
[ 42.807771][ C1] &br->lock --> lweventlist_lock --> &p->alloc_lock
[ 42.807771][ C1]
[ 42.808076][ C1] Possible interrupt unsafe locking scenario:
[ 42.808076][ C1]
[ 42.808273][ C1] CPU0 CPU1
[ 42.808410][ C1] ---- ----
[ 42.808545][ C1] lock(&p->alloc_lock);
[ 42.808653][ C1] local_irq_disable();
[ 42.808816][ C1] lock(&br->lock);
[ 42.808986][ C1] lock(lweventlist_lock);
[ 42.809159][ C1] <Interrupt>
[ 42.809260][ C1] lock(&br->lock);
[ 42.809363][ C1]
[ 42.809363][ C1] *** DEADLOCK ***
[ 42.809363][ C1]
[ 42.809561][ C1] 1 lock held by swapper/1/0:
[ 42.809698][ C1] #0: ffffc900001d8d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 42.809976][ C1]
[ 42.809976][ C1] the shortest dependencies between 2nd lock and 1st lock:
[ 42.810214][ C1] -> (&p->alloc_lock){+.+.}-{2:2} {
[ 42.810354][ C1] HARDIRQ-ON-W at:
[ 42.810458][ C1] __lock_acquire+0x797/0x1570
[ 42.810629][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.810800][ C1] _raw_spin_lock+0x30/0x40
[ 42.810970][ C1] set_mems_allowed+0x1d/0x210
[ 42.811144][ C1] kernel_init_freeable+0x72/0x310
[ 42.811314][ C1] kernel_init+0x20/0x200
[ 42.811487][ C1] ret_from_fork+0x31/0x70
[ 42.811656][ C1] ret_from_fork_asm+0x1a/0x30
[ 42.811827][ C1] SOFTIRQ-ON-W at:
[ 42.811934][ C1] __lock_acquire+0x797/0x1570
[ 42.812110][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.812281][ C1] _raw_spin_lock+0x30/0x40
[ 42.812452][ C1] set_mems_allowed+0x1d/0x210
[ 42.812625][ C1] kernel_init_freeable+0x72/0x310
[ 42.812809][ C1] kernel_init+0x20/0x200
[ 42.812981][ C1] ret_from_fork+0x31/0x70
[ 42.813157][ C1] ret_from_fork_asm+0x1a/0x30
[ 42.813328][ C1] INITIAL USE at:
[ 42.813429][ C1] __lock_acquire+0x797/0x1570
[ 42.813598][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.813765][ C1] _raw_spin_lock+0x30/0x40
[ 42.813932][ C1] set_mems_allowed+0x1d/0x210
[ 42.814100][ C1] kernel_init_freeable+0x72/0x310
[ 42.814271][ C1] kernel_init+0x20/0x200
[ 42.814441][ C1] ret_from_fork+0x31/0x70
[ 42.814612][ C1] ret_from_fork_asm+0x1a/0x30
[ 42.814780][ C1] }
[ 42.814850][ C1] ... key at: [<ffffffff915ffd20>] __key.387+0x0/0x40
[ 42.815049][ C1] ... acquired at:
[ 42.815148][ C1] __lock_acquire+0xaf0/0x1570
[ 42.815282][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.815416][ C1] _raw_spin_lock+0x30/0x40
[ 42.815629][ C1] __get_task_comm+0x27/0x70
[ 42.815762][ C1] ref_tracker_alloc+0x2ee/0x490
[ 42.815900][ C1] linkwatch_fire_event+0x196/0x200
[ 42.816041][ C1] veth_newlink+0x367/0x830 [veth]
[ 42.816179][ C1] rtnl_newlink_create+0x341/0x850
[ 42.816312][ C1] __rtnl_newlink+0xac9/0xd80
[ 42.816446][ C1] rtnl_newlink+0x63/0xa0
[ 42.816582][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 42.816714][ C1] netlink_rcv_skb+0x130/0x360
[ 42.816848][ C1] netlink_unicast+0x449/0x710
[ 42.816983][ C1] netlink_sendmsg+0x723/0xbe0
[ 42.817116][ C1] ____sys_sendmsg+0x7b2/0xa10
[ 42.817327][ C1] ___sys_sendmsg+0xee/0x170
[ 42.817462][ C1] __sys_sendmsg+0xcd/0x170
[ 42.817602][ C1] do_syscall_64+0xc6/0x1e0
[ 42.817735][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 42.817980][ C1]
[ 42.818054][ C1] -> (lweventlist_lock){....}-{2:2} {
[ 42.818273][ C1] INITIAL USE at:
[ 42.818375][ C1] __lock_acquire+0x797/0x1570
[ 42.818546][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.818720][ C1] _raw_spin_lock_irqsave+0x3f/0x60
[ 42.818890][ C1] linkwatch_sync_dev+0x29/0x1f0
[ 42.819059][ C1] rtnl_getlink+0x4c9/0x970
[ 42.819311][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 42.819480][ C1] netlink_rcv_skb+0x130/0x360
[ 42.819649][ C1] netlink_unicast+0x449/0x710
[ 42.819824][ C1] netlink_sendmsg+0x723/0xbe0
[ 42.820159][ C1] __sys_sendto+0x37d/0x410
[ 42.820333][ C1] __x64_sys_sendto+0xe0/0x1c0
[ 42.820504][ C1] do_syscall_64+0xc6/0x1e0
[ 42.820760][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 42.820965][ C1] }
[ 42.821039][ C1] ... key at: [<ffffffff9059a738>] lweventlist_lock+0x18/0x60
[ 42.821243][ C1] ... acquired at:
[ 42.821342][ C1] __lock_acquire+0xaf0/0x1570
[ 42.821556][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.821699][ C1] _raw_spin_lock_irqsave+0x3f/0x60
[ 42.821834][ C1] linkwatch_fire_event+0x74/0x200
[ 42.821964][ C1] br_stp_change_bridge_id+0x25f/0x360 [bridge]
[ 42.822177][ C1] br_set_mac_address+0x1f3/0x260 [bridge]
[ 42.822467][ C1] dev_set_mac_address+0x28a/0x410
[ 42.822604][ C1] dev_set_mac_address_user+0x31/0x50
[ 42.822741][ C1] do_setlink+0x17b4/0x21e0
[ 42.822880][ C1] rtnl_setlink+0x1f7/0x310
[ 42.823012][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 42.823151][ C1] netlink_rcv_skb+0x130/0x360
[ 42.823369][ C1] netlink_unicast+0x449/0x710
[ 42.823505][ C1] netlink_sendmsg+0x723/0xbe0
[ 42.823642][ C1] __sys_sendto+0x37d/0x410
[ 42.823776][ C1] __x64_sys_sendto+0xe0/0x1c0
[ 42.823909][ C1] do_syscall_64+0xc6/0x1e0
[ 42.824134][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 42.824301][ C1]
[ 42.824368][ C1] -> (&br->lock){+.-.}-{2:2} {
[ 42.824591][ C1] HARDIRQ-ON-W at:
[ 42.824696][ C1] __lock_acquire+0x797/0x1570
[ 42.824949][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.825119][ C1] _raw_spin_lock_bh+0x38/0x50
[ 42.825285][ C1] recalculate_group_addr+0x55/0x130 [bridge]
[ 42.825615][ C1] br_vlan_filter_toggle+0x77/0x130 [bridge]
[ 42.825856][ C1] br_changelink+0x36c/0x1360 [bridge]
[ 42.826060][ C1] br_dev_newlink+0xa5/0x100 [bridge]
[ 42.826270][ C1] rtnl_newlink_create+0x341/0x850
[ 42.826534][ C1] __rtnl_newlink+0xac9/0xd80
[ 42.826710][ C1] rtnl_newlink+0x63/0xa0
[ 42.826883][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 42.827051][ C1] netlink_rcv_skb+0x130/0x360
[ 42.827224][ C1] netlink_unicast+0x449/0x710
[ 42.827390][ C1] netlink_sendmsg+0x723/0xbe0
[ 42.827650][ C1] ____sys_sendmsg+0x7b2/0xa10
[ 42.827825][ C1] ___sys_sendmsg+0xee/0x170
[ 42.827994][ C1] __sys_sendmsg+0xcd/0x170
[ 42.828255][ C1] do_syscall_64+0xc6/0x1e0
[ 42.828523][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 42.828723][ C1] IN-SOFTIRQ-W at:
[ 42.828828][ C1] __lock_acquire+0x797/0x1570
[ 42.829008][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.829180][ C1] _raw_spin_lock+0x30/0x40
[ 42.829350][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 42.829668][ C1] call_timer_fn+0x13b/0x230
[ 42.829917][ C1] __run_timers+0x545/0x810
[ 42.830084][ C1] run_timer_softirq+0xe8/0x1b0
[ 42.830333][ C1] __do_softirq+0x1f8/0x5df
[ 42.830500][ C1] irq_exit_rcu+0x97/0xc0
[ 42.830672][ C1] sysvec_apic_timer_interrupt+0x75/0x80
[ 42.831057][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 42.831255][ C1] default_idle+0xf/0x20
[ 42.831428][ C1] default_idle_call+0x6d/0xb0
[ 42.831597][ C1] cpuidle_idle_call+0x1f4/0x280
[ 42.831847][ C1] do_idle+0xf9/0x160
[ 42.831983][ C1] cpu_startup_entry+0x54/0x60
[ 42.832155][ C1] start_secondary+0x21c/0x2b0
[ 42.832332][ C1] common_startup_64+0x12c/0x138
[ 42.832603][ C1] INITIAL USE at:
[ 42.832712][ C1] __lock_acquire+0x797/0x1570
[ 42.832887][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.833150][ C1] _raw_spin_lock_bh+0x38/0x50
[ 42.833322][ C1] recalculate_group_addr+0x55/0x130 [bridge]
[ 42.833563][ C1] br_vlan_filter_toggle+0x77/0x130 [bridge]
[ 42.833803][ C1] br_changelink+0x36c/0x1360 [bridge]
[ 42.834012][ C1] br_dev_newlink+0xa5/0x100 [bridge]
[ 42.834217][ C1] rtnl_newlink_create+0x341/0x850
[ 42.834475][ C1] __rtnl_newlink+0xac9/0xd80
[ 42.834643][ C1] rtnl_newlink+0x63/0xa0
[ 42.834811][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 42.834981][ C1] netlink_rcv_skb+0x130/0x360
[ 42.835150][ C1] netlink_unicast+0x449/0x710
[ 42.835318][ C1] netlink_sendmsg+0x723/0xbe0
[ 42.835491][ C1] ____sys_sendmsg+0x7b2/0xa10
[ 42.835659][ C1] ___sys_sendmsg+0xee/0x170
[ 42.835827][ C1] __sys_sendmsg+0xcd/0x170
[ 42.836081][ C1] do_syscall_64+0xc6/0x1e0
[ 42.836249][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 42.836526][ C1] }
[ 42.836595][ C1] ... key at: [<ffffffffc05ad540>] __key.6+0x0/0xfffffffffffe5ac0 [bridge]
[ 42.837019][ C1] ... acquired at:
[ 42.837198][ C1] mark_lock+0x28d/0x3e0
[ 42.837333][ C1] mark_usage+0xd9/0x2a0
[ 42.837465][ C1] __lock_acquire+0x797/0x1570
[ 42.837601][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.837734][ C1] _raw_spin_lock+0x30/0x40
[ 42.837943][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 42.838145][ C1] call_timer_fn+0x13b/0x230
[ 42.838277][ C1] __run_timers+0x545/0x810
[ 42.838410][ C1] run_timer_softirq+0xe8/0x1b0
[ 42.838627][ C1] __do_softirq+0x1f8/0x5df
[ 42.838758][ C1] irq_exit_rcu+0x97/0xc0
[ 42.838894][ C1] sysvec_apic_timer_interrupt+0x75/0x80
[ 42.839059][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 42.839222][ C1] default_idle+0xf/0x20
[ 42.839353][ C1] default_idle_call+0x6d/0xb0
[ 42.839484][ C1] cpuidle_idle_call+0x1f4/0x280
[ 42.839617][ C1] do_idle+0xf9/0x160
[ 42.839720][ C1] cpu_startup_entry+0x54/0x60
[ 42.839852][ C1] start_secondary+0x21c/0x2b0
[ 42.839984][ C1] common_startup_64+0x12c/0x138
[ 42.840121][ C1]
[ 42.840189][ C1]
[ 42.840189][ C1] stack backtrace:
[ 42.840351][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.9.0-rc1-virtme #1
[ 42.840549][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 42.840918][ C1] Call Trace:
[ 42.841018][ C1] <IRQ>
[ 42.841088][ C1] dump_stack_lvl+0x82/0xd0
[ 42.841230][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570
[ 42.841394][ C1] ? common_startup_64+0x12c/0x138
[ 42.841613][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10
[ 42.841778][ C1] ? __pfx_usage_skip+0x10/0x10
[ 42.841911][ C1] ? __pfx_usage_match+0x10/0x10
[ 42.842047][ C1] ? arch_stack_walk+0x8c/0xf0
[ 42.842180][ C1] mark_lock_irq+0x4cd/0xa10
[ 42.842311][ C1] ? __pfx_mark_lock_irq+0x10/0x10
[ 42.842446][ C1] ? stack_trace_save+0x94/0xd0
[ 42.842584][ C1] ? save_trace+0x8f/0x5b0
[ 42.842729][ C1] mark_lock+0x28d/0x3e0
[ 42.842832][ C1] mark_usage+0xd9/0x2a0
[ 42.842933][ C1] __lock_acquire+0x797/0x1570
[ 42.843066][ C1] ? trace_rcu_dyntick+0x112/0x180
[ 42.843201][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge]
[ 42.843435][ C1] lock_acquire.part.0+0xeb/0x330
[ 42.843570][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 42.843771][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 42.843983][ C1] ? trace_lock_acquire+0x135/0x1c0
[ 42.844115][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 42.844315][ C1] ? lock_acquire+0x32/0xc0
[ 42.844446][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 42.844731][ C1] _raw_spin_lock+0x30/0x40
[ 42.844863][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 42.845063][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 42.845266][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge]
[ 42.845606][ C1] call_timer_fn+0x13b/0x230
[ 42.845739][ C1] ? call_timer_fn+0xe8/0x230
[ 42.845872][ C1] ? call_timer_fn+0xe8/0x230
[ 42.846006][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 42.846143][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 42.846278][ C1] __run_timers+0x545/0x810
[ 42.846409][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge]
[ 42.846648][ C1] ? __pfx___run_timers+0x10/0x10
[ 42.846781][ C1] ? do_raw_spin_lock+0x131/0x270
[ 42.846911][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 42.847043][ C1] ? lock_acquire+0x32/0xc0
[ 42.847257][ C1] ? run_timer_softirq+0xe0/0x1b0
[ 42.847391][ C1] run_timer_softirq+0xe8/0x1b0
[ 42.847523][ C1] __do_softirq+0x1f8/0x5df
[ 42.847657][ C1] irq_exit_rcu+0x97/0xc0
[ 42.847758][ C1] sysvec_apic_timer_interrupt+0x75/0x80
[ 42.847966][ C1] </IRQ>
[ 42.848035][ C1] <TASK>
[ 42.848103][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 42.848267][ C1] RIP: 0010:default_idle+0xf/0x20
[ 42.848405][ C1] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 30 35 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
[ 42.848961][ C1] RSP: 0018:ffffc9000014fdf8 EFLAGS: 00000246
[ 42.849207][ C1] RAX: 000000000009bc05 RBX: 1ffff92000029fc1 RCX: ffffffff8eb0e9d5
[ 42.849405][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c4aa4a4
[ 42.849606][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1709c
[ 42.849880][ C1] R10: ffff8880360b84e3 R11: ffff8880360bdc80 R12: 0000000000000000
[ 42.850081][ C1] R13: ffff888001b7a300 R14: dffffc0000000000 R15: 0000000000000000
[ 42.850287][ C1] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 42.850513][ C1] ? cpuidle_idle_call+0x1f4/0x280
[ 42.850646][ C1] default_idle_call+0x6d/0xb0
[ 42.850781][ C1] cpuidle_idle_call+0x1f4/0x280
[ 42.850913][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 42.851046][ C1] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 42.851180][ C1] do_idle+0xf9/0x160
[ 42.851281][ C1] cpu_startup_entry+0x54/0x60
[ 42.851412][ C1] start_secondary+0x21c/0x2b0
[ 42.851546][ C1] ? __pfx_start_secondary+0x10/0x10
[ 42.851679][ C1] common_startup_64+0x12c/0x138
[ 42.851821][ C1] </TASK>
[ 54.732706][ T626] br1: port 2(veth2) entered disabled state
[ 54.830865][ T627] veth2: left allmulticast mode
[ 54.831068][ T627] veth2: left promiscuous mode
[ 54.831335][ T627] br1: port 2(veth2) entered disabled state
[ 54.933340][ T628] br1: port 1(veth1) entered disabled state
[ 55.027346][ T629] veth1: left allmulticast mode
[ 55.027550][ T629] veth1: left promiscuous mode
[ 55.027802][ T629] br1: port 1(veth1) entered disabled state